During his sit-down with Larry King, rising pop star Troye Sivan covered a variety of topics — including LGBT acceptance, the future of his YouTube channel, & what it was like to grace the cover of 'Rolling Stone.' He also shared a very personal story about working with the legendary Sir Ian McKellen in the play 'Waiting for Godot.' Check out Troye recounting his special moment with the 'X-Men' actor in the clip below...

WATCH: Sir Ian McKellen's Touching Words Of Advice For Troye Sivan

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